678907564

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{811}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 1264485376

約数和(自身を除く): 585577812

約数列:

[1, 2, 4, 31, 43, 62, 86, 124, 157, 172, 314, 628, 811, 1333, 1622, 2666, 3244, 4867, 5332, 6751, 9734, 13502, 19468, 25141, 27004, 34873, 50282, 69746, 100564, 127327, 139492, 209281, 254654, 418562, 509308, 837124, 1081063, 2162126, 3947137, 4324252, 5475061, 7894274, 10950122, 15788548, 21900244, 169726891, 339453782, 678907564]

約数ペア:

[(1, 678907564), (2, 339453782), (4, 169726891), (31, 21900244), (43, 15788548), (62, 10950122), (86, 7894274), (124, 5475061), (157, 4324252), (172, 3947137), (314, 2162126), (628, 1081063), (811, 837124), (1333, 509308), (1622, 418562), (2666, 254654), (3244, 209281), (4867, 139492), (5332, 127327), (6751, 100564), (9734, 69746), (13502, 50282), (19468, 34873), (25141, 27004)]